A peremptory action, such as a decree or demand, is authoritative and absolute; therefore, it is not open to debate but must be carried out.
(of persons) freed from or not subject to an obligation or liability (as e.g. taxes) to which others or other things are subject
immunity from an obligation or duty
insusceptible of reform
acquire for oneself before others can do so
designed or having the power to deter or prevent an anticipated situation or occurrence
save from sins
recoverable upon payment or fulfilling a condition
(theology) the act of delivering from sin or saving from evil
Differentiated vocabulary for your students is just a click away.